We Are Ophthalmology LTD We Care About Your Health

Over the years, Ophthalmology LTD's name has become associated with the highest quality of comprehensive medical and surgical eye care. Highly trained ophthalmologists David West, Bryan Hammer, Eric Thomas, Dustin Dierks, Ryan Geraets, Michael Eide, Elizabeth Atchison, Elise In’t Veld, and Karen Dickes, as well as experienced optometrists Andrea McCann, Emily Walters, and Tyler Vermeer combine their considerable expertise to give each and every patient the best possible care. Ophthalmology LTD delivers treatment for cataracts, glaucoma, diabetic eye disease, as well as cornea transplants, oculoplastic surgery, retina surgery, vitreoretinal surgery, and pediatric eye care in Sioux Falls.

The Region’s Most Trusted, Experienced Eye Surgeons

Ophthalmology LTD brings the finest eye specialists in South Dakota to satellite offices in the tri-state area: Luverne, Pipestone, Worthington and Windom in Minnesota, Rock Valley, Sibley, and Sioux Center in Iowa, as well as Dell Rapids, Madison, Mitchell, and Yankton in South Dakota.


In 1968, Ophthalmology LTD revolutionized eye care by taking a comprehensive approach, bringing patients a full range of vision specialties under one roof. Today, eye care teams across the nation are now mimicking the strategy we have spent more than 50 years perfecting. It is because of this experience and our genuine dedication to our patients that our team is widely considered the finest, most comprehensive group of sub-specialty eye surgeons in the tri-state Siouxland area.

Our Services

Our ophthalmologists have expertise in a wide range of specialties and work as a team to meet your eye care needs.


Not only is cataract treatment the most frequently performed surgery in the United States, it is also one of the most successful. More than 99% of patients who undergo cataract removal rank their vision as significantly improved. Drs. Hammer, Dierks, Eide, In't Veld, West, and Dickes perform this highly effective procedure.

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Early detection and treatment is the key to preventing vision loss with Glaucoma. More than three million Americans have glaucoma, but only half are actually aware that this "silent thief" is slowly and without warning stealing away their vision, sometimes without any noticeable symptoms. Drs. In't Veld and Dickes at Ophthalmology LTD specializes in the diagnosis and treatment of glaucoma.

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Children should have a yearly comprehensive eye exam along with their parents. Many vision problems can be detected early and treated before they become detrimental to a child's development, learning abilities, and every day function. Dr. West of Ophthalmology LTD has 22 years of experience in the evaluation and treatment of children's vision.

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The retina functions much like the film in a camera, and when film is damaged, so is the picture. Our retinal specialists Drs. Geraets, Thomas, and Atchison  offer comprehensive retinal exams and treatment to protect against diseases such as diabetic retinopathy that can damage your retina and vision.

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If a window pane is distorted or marred by imperfections, it is difficult to see out through it clearly. Your cornea is your eye’s window. To keep it clear or to restore it to its proper state, Dr. Eide of Ophthalmology LTD uses his specialty training in corneal diseases to treat dry eye, keratoconus, and other conditions that can cause corneal imperfections.

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When your eyelids, eye sockets, or tear ducts malfunction, or a tumor threatens your vision, Ophthalmology LTD oculoplastic surgeon Dr. Hammer can help. Specializing in procedures that restore clear vision as well as a more youthful appearance, Dr. Hammer treats and manages a wide variety of ocular conditions.

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We are a team of passionate professionals with
caring for patients in South Dakota, Minnesota, & Iowa.

Have a look around, then call, request an appointment online, or come by to learn more about how our team of eye experts can help you and your family.

  • Scott W.
    No wait time at appointment. Quick diagnosis and follow through. Friendly and knowledgeable. Very happy with my care!
  • Shelley S.
    Everyone was so courteous and helpful. Every aspect was explained leaving me with very few questions and when I did have a question it was answered completely and with a smile.
  • Sara O.
    Ok but way too long for a first visit. People were great though.
  • Kent R.
    Had my first appointment with Ophthalmology Ltd and Dr Eide. Had a great experience and I am looking forward to my upcoming surgery.
  • Thomas S.
    Absolutely outstanding. Dr. Walters is the best. Highly recommend. Office staff is friendly and most accommodating.
  • Donna N.
    Friendliness and helpful
  • Laura J.
    Dr. Geraets is a great retinal specialist. He will take the time so you understand all areas of your current eye situation and explain all options. He takes the time to answer all your questions. He has a great bedside... read more
  • Roberta M.
    Was very please that Dr. Eide saw me very soon after my local eye doctor made an appointment as I had my cornea torn after my hip surgery when an eye protector taken off. He was very concerned and we... read more
  • Charles H.
    Thank you Dr Thomas for your wonderful care. I would recommend your office to everyone who needs eye care. Charles and Marie Holland Marshall Mn 56258
  • Debra B.
    Staff are very kind and give you information on the different types of tests they perform. Highly recommend them.
  • Dennis K.
    Very time efficient, pleasant staff, professional, answered my questions, excellent optical tech and Dr. Hammer--thanks for a great experience.
  • Connie P.
    The apptmt was to ck my eye pressure. As soon as I was signed in, I was taken back to a room. Didn't take long, eye pressure check, quick check of vision in both eyes, some discussion. I... read more
  • Brenda J.
    Very communicative, make you feel very comfortable and at ease during appt.
  • Steve B.
    Everyone there was very professional. Dr. Guerets was extremely helpful and explained everything thoroughly.
  • Craig E.
    I trust the Dr's at Ophthalmology LTD. Never in a hurry to be done with you. 4 eye surgeries and completely happy. I can see fine. Thank you. Ophthalmology LTD.
  • Ron A.
    Very happy with appointment. Answered all my questions, very helpful. Good experience.
  • Jean G.
    I enjoyed everything and all of the people I met for the Lazer treatment.
  • KeithandDianne J.
    Everyone was very kind and patient. I didn’t have to wait long. Jill did most of my testing and she was amazing. Very professional and efficient. Dr. Eide explained everything so well I felt educated about the decision I made.
  • Joe Y.
    Just an amazing experience! From the moment I checked in with the receptionist to my initial review by an assistant to the specialist, I felt welcome and appreciated.

    My doctor is also simply awesome. No tiptoeing around my status...
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  • Ellen M.
    I was impressed by the in depth exam of my eye. So many tests/results were looked at before a decision was made for the next form of action.
  • Pat F.
    Great place for all your eye care.........
  • Nonhle C.
    in life everyone goes through hard times, pain, suffering and losses. however only those who have the guts to get up and continue with their journey, emerge victorious.
    Investment in cryptocurrency, Bitcoin Mining/forex, is the surest way to earn maximum...
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  • Tammy A.
    First visit due to a tear in my retina. Needed a specialist and was referred from Milbank to Sioux Falls.
    Thankful for the professional, compassionate and knowledgeable care I received here.
    Dr. Geraets was patient will all...
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  • Sandy P.
    Was treated professionally,courteously, and would highly recommend using their services.
  • Judith G.
    I had an excellent experience having my cataract surgery. 5 stars for Dr Diercks and his excellent staff. No complaints
  • Sue H.
    The appointment was on time dispute unsafe winter weather conditions. The exam was thorough showing steady positive progress
  • Carol J.
    Great Experience. Thanks to all for your hard work and service for many years.
  • Mary H.
    Always get great service while at Opthalmology Ltd! Dr. In't Veld and the staff are always helpful and friendly.
  • Delores O.
    Dr. Hammer is professional. He removed the cataracts from my eyes and implanted new lens. It has been a gift for me , as I no longer need to wear glasses. I am very happy with... read more
  • Julie S.
    Thank you to everyone at Opthalmology LTD for their friendliness and care. The whole process was done in a timely manner. Special thanks to Dr. In’t Veld. Everything was great!
  • Michelle J.
    They all are very knowledgeable and patient centered. I had gone there years ago for a consult and when I needed a new place to go Opthalmology LTD was the first place I thought of.
  • Earl V.
    an excellent eye health care service, and I recommend them to anyone who is looking for good eye care
  • Mato L.
    Professionally run business .Just had to make appt. time and everything else was taken care of.Recommend Dr.Eide and staff
  • Mark H.
    The staff and medical team were very friendly and helpful, during my visit.😀
  • Rick H.
    I would recommend Ophthalmology LTD. Dr. Dierks explained everything so I could understand it. He was very professional and courteous. The staff was also Amazing and made me feel so comfortable. If you are looking for an eye Doctor I... read more
  • Jody W.
  • Diane H.
    Excellent care. Caring and very understanding.
  • Roy W.
    I was in on Monday I had an appointment with Dr. Dickes, it went well my eye pressure is in the (normal range) so I am happy with that and a prescription for glasses.
  • Jeff S.
    The front office staff were thorough.
    The back office staff were very friendly and knowledgeable.
    Dr. Geraets analyzed my issues and gave me many scenarios of what could happen and what to look for.
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  • Kent D.
    I am so glad to have been able to have an appointment and surgery on the same day to fix my retinal detachment. I feel really good to have Dr. Atchison as my doctor.
    I want to also thank the surgical...
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  • Larry M.
    I am very pleased with the Eye Care I receive from Dr Walters. She listened, and is very thorough!
  • Dan G.
    Prompt, thorough, very professional!
  • Megan C.
    Great experience! Definitely made it fun for my son!
  • Brenda S.
    I had a great experience. I got in exactly at my appt time. I had a thorough exam and Dr Garret explained everything in detail. Everybody their was pleasant and I could not have asked for better service. ... read more
  • Tim B.
    I had a consolation for cataract surgery with Dr. Elsie J. In’t Veld and her staff,I was real nervous about the surgery,especially cutting into the eye, but Dr.Elsie and her staff answered all my Questions and explained the procedure And... read more
  • Gary G.
    One morning three weeks ago, I opened my eyes to see the right one not working so well. Imagine looking through the bottom of a small empty Coke bottle in the center of your vision. Dr. Ryan Geraets diagnosed the... read more
  • Dennis &.
    Very thorough exam and explanation of diagnosis.
  • Ronald R.
    Very happy recomend anybody with eye problems
  • Kristina K.
    Top notch care! We were so impressed with the knowledge and professionalism of the entire staff.
  • Cloyce S.
    I have had various visits with ophthalmology Limited and I’ve always found the staff very friendly and helpful. I would recommend ophthalmology Limited to anyone.